f859135082
Bug #864 - Allow instantiating and subclassing of ClutterStage * clutter/Makefile.am: Add clutter-stage-window.[ch] * clutter/clutter-stage-manager.c: (_clutter_stage_manager_remove_stage): Do not warn if removing a stage we don't manage, as we might be invoked multiple times during a ClutterState dispose sequence. * clutter/clutter-actor.c: * clutter/clutter-backend.[ch]: * clutter/clutter-main.c: * clutter/clutter-private.h: * clutter/clutter-stage.[ch]: Make ClutterStage a proxy actor, with a private actor implementing the ClutterStageWindow interface for handling the per-backend realization, painting and unrealization, plus all the windowing system abstraction. * clutter/x11/clutter-event-x11.c: * clutter/x11/clutter-stage-x11.[ch]: Port the X11 backend to the new backend and stage API and semantics. * clutter/glx/clutter-backend-glx.c: * clutter/glx/clutter-stage-glx.c: Port the GLX backend to the new backend and stage API and semantics. * clutter/eglx/clutter-backend-egl.[ch]: * clutter/eglx/clutter-stage-egl.[ch]: Port the EGLX backend to the new backend and stage API and semantics (untested). * tests/test-multistage.c (on_button_press): Rename clutter_stage_create_new() to clutter_stage_new().
646 lines
19 KiB
C
646 lines
19 KiB
C
/* Clutter.
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* An OpenGL based 'interactive canvas' library.
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* Authored By Matthew Allum <mallum@openedhand.com>
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* Copyright (C) 2006-2007 OpenedHand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "clutter-backend-x11.h"
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#include "clutter-stage-x11.h"
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#include "clutter-x11.h"
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#include "../clutter-stage-window.h"
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#include "../clutter-main.h"
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#include "../clutter-feature.h"
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#include "../clutter-color.h"
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#include "../clutter-util.h"
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#include "../clutter-event.h"
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#include "../clutter-enum-types.h"
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#include "../clutter-private.h"
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#include "../clutter-debug.h"
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#include "../clutter-units.h"
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#include "cogl.h"
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#ifdef HAVE_XFIXES
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#include <X11/extensions/Xfixes.h>
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#endif
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#include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
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static void clutter_stage_window_iface_init (ClutterStageWindowIface *iface);
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G_DEFINE_TYPE_WITH_CODE (ClutterStageX11,
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clutter_stage_x11,
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CLUTTER_TYPE_GROUP,
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G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_STAGE_WINDOW,
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clutter_stage_window_iface_init));
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#define _NET_WM_STATE_REMOVE 0 /* remove/unset property */
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#define _NET_WM_STATE_ADD 1 /* add/set property */
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#define _NET_WM_STATE_TOGGLE 2 /* toggle property */
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static void
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send_wmspec_change_state (ClutterBackendX11 *backend_x11,
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Window window,
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Atom state,
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gboolean add)
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{
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XClientMessageEvent xclient;
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memset (&xclient, 0, sizeof (xclient));
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xclient.type = ClientMessage;
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xclient.window = window;
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xclient.message_type = backend_x11->atom_NET_WM_STATE;
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xclient.format = 32;
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xclient.data.l[0] = add ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
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xclient.data.l[1] = state;
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xclient.data.l[2] = 0;
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xclient.data.l[3] = 0;
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xclient.data.l[4] = 0;
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XSendEvent (backend_x11->xdpy,
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DefaultRootWindow(backend_x11->xdpy),
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False,
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SubstructureRedirectMask|SubstructureNotifyMask,
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(XEvent *)&xclient);
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}
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void
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clutter_stage_x11_fix_window_size (ClutterStageX11 *stage_x11)
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{
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gboolean resize;
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resize = clutter_stage_get_user_resizable (stage_x11->wrapper);
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if (stage_x11->xwin != None && stage_x11->is_foreign_xwin == FALSE)
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{
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XSizeHints *size_hints;
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size_hints = XAllocSizeHints();
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if (!resize)
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{
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size_hints->max_width = size_hints->min_width =
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stage_x11->xwin_width;
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size_hints->max_height = size_hints->min_height =
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stage_x11->xwin_height;
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size_hints->flags = PMinSize|PMaxSize;
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}
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XSetWMNormalHints (stage_x11->xdpy, stage_x11->xwin, size_hints);
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XFree(size_hints);
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}
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}
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static void
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clutter_stage_x11_show (ClutterActor *actor)
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{
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ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (actor);
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if (stage_x11->xwin)
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{
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/* Fire off a redraw to avoid flicker on first map.
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* Appears not to work perfectly on intel drivers at least.
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*/
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clutter_redraw (stage_x11->wrapper);
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XSync (stage_x11->xdpy, FALSE);
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XMapWindow (stage_x11->xdpy, stage_x11->xwin);
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}
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/* chain up */
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CLUTTER_ACTOR_CLASS (clutter_stage_x11_parent_class)->show (actor);
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}
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static void
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clutter_stage_x11_hide (ClutterActor *actor)
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{
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ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (actor);
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if (stage_x11->xwin)
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XUnmapWindow (stage_x11->xdpy, stage_x11->xwin);
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/* chain up */
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CLUTTER_ACTOR_CLASS (clutter_stage_x11_parent_class)->hide (actor);
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}
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void
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clutter_stage_x11_set_wm_protocols (ClutterStageX11 *stage_x11)
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{
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ClutterBackendX11 *backend_x11 = stage_x11->backend;
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Atom protocols[2];
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int n = 0;
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protocols[n++] = backend_x11->atom_WM_DELETE_WINDOW;
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protocols[n++] = backend_x11->atom_NET_WM_PING;
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XSetWMProtocols (stage_x11->xdpy, stage_x11->xwin, protocols, n);
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}
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static void
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clutter_stage_x11_query_coords (ClutterActor *self,
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ClutterActorBox *box)
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{
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ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (self);
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box->x1 = box->y1 = 0;
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box->x2 = box->x1 + CLUTTER_UNITS_FROM_INT (stage_x11->xwin_width);
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box->y2 = box->y1 + CLUTTER_UNITS_FROM_INT (stage_x11->xwin_height);
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}
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static void
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clutter_stage_x11_request_coords (ClutterActor *self,
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ClutterActorBox *box)
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{
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ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (self);
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gint new_width, new_height;
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new_width = ABS (CLUTTER_UNITS_TO_INT (box->x2 - box->x1));
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new_height = ABS (CLUTTER_UNITS_TO_INT (box->y2 - box->y1));
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if (new_width != stage_x11->xwin_width
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|| new_height != stage_x11->xwin_height)
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{
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stage_x11->xwin_width = new_width;
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stage_x11->xwin_height = new_height;
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/* The 'handling_configure' flag below is used to prevent the
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window from being resized again in response to a
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ConfigureNotify event. Normally this will not be a problem
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because the window will be resized to xwin_width and
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xwin_height so the above test will prevent it from resizing
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the window a second time. However if the stage is resized
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multiple times without the events being processed in between
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(eg, when calling g_object_set to set both width and height)
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then there will be multiple ConfigureNotify events in the
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queue. Handling the first event will undo the work of setting
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the second property which will cause it to keep generating
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events in an infinite loop. See bug #810 */
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if (stage_x11->xwin != None
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&& !stage_x11->is_foreign_xwin
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&& !stage_x11->handling_configure)
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XResizeWindow (stage_x11->xdpy,
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stage_x11->xwin,
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stage_x11->xwin_width,
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stage_x11->xwin_height);
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clutter_stage_x11_fix_window_size (stage_x11);
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if (stage_x11->xpixmap != None)
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{
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/* Need to recreate to resize */
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clutter_actor_unrealize (self);
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clutter_actor_realize (self);
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}
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CLUTTER_SET_PRIVATE_FLAGS (CLUTTER_ACTOR (stage_x11->wrapper),
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CLUTTER_ACTOR_SYNC_MATRICES);
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}
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if (stage_x11->xwin != None
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&& !stage_x11->is_foreign_xwin
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&& !stage_x11->handling_configure) /* Do we want to bother ? */
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XMoveWindow (stage_x11->xdpy,
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stage_x11->xwin,
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CLUTTER_UNITS_TO_INT (box->x1),
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CLUTTER_UNITS_TO_INT (box->y1));
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CLUTTER_ACTOR_CLASS (clutter_stage_x11_parent_class)->request_coords (self,
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box);
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}
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static void
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clutter_stage_x11_set_fullscreen (ClutterStageWindow *stage_window,
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gboolean is_fullscreen)
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{
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ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (stage_window);
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ClutterBackendX11 *backend_x11 = stage_x11->backend;
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ClutterStage *stage = stage_x11->wrapper;
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static gboolean was_resizeable = FALSE;
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if (!stage)
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return;
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if (is_fullscreen)
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{
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if (stage_x11->xwin != None)
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{
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/* if the actor is not mapped we resize the stage window to match
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* the size of the screen; this is useful for e.g. EGLX to avoid
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* a resize when calling clutter_stage_fullscreen() before showing
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* the stage
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*/
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if (!CLUTTER_ACTOR_IS_MAPPED (stage_x11))
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{
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gint width, height;
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width = DisplayWidth (stage_x11->xdpy, stage_x11->xscreen);
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height = DisplayHeight (stage_x11->xdpy, stage_x11->xscreen);
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clutter_actor_set_size (CLUTTER_ACTOR (stage_x11),
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width, height);
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/* FIXME: This wont work if we support more states */
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XChangeProperty (stage_x11->xdpy,
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stage_x11->xwin,
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backend_x11->atom_NET_WM_STATE, XA_ATOM, 32,
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PropModeReplace,
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(unsigned char *) &backend_x11->atom_NET_WM_STATE_FULLSCREEN, 1);
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}
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else
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{
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/* We need to set window user resize-able for metacity at
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* at least to allow the window to fullscreen *sigh*
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*/
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if (clutter_stage_get_user_resizable (stage) == TRUE)
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was_resizeable = TRUE;
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else
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clutter_stage_set_user_resizable (stage, TRUE);
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send_wmspec_change_state(backend_x11, stage_x11->xwin,
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backend_x11->atom_NET_WM_STATE_FULLSCREEN,
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TRUE);
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}
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stage_x11->fullscreen_on_map = TRUE;
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}
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}
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else
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{
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if (stage_x11->xwin != None)
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{
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if (!CLUTTER_ACTOR_IS_MAPPED (stage_x11))
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{
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/* FIXME: This wont work if we support more states */
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XDeleteProperty (stage_x11->xdpy,
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stage_x11->xwin,
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backend_x11->atom_NET_WM_STATE);
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}
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else
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{
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clutter_stage_set_user_resizable (stage, TRUE);
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send_wmspec_change_state(backend_x11,
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stage_x11->xwin,
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backend_x11->atom_NET_WM_STATE_FULLSCREEN,
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FALSE);
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/* reset the windows state - this isn't fun - see above */
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if (!was_resizeable)
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clutter_stage_set_user_resizable (stage, FALSE);
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was_resizeable = FALSE;
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}
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stage_x11->fullscreen_on_map = FALSE;
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}
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}
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CLUTTER_SET_PRIVATE_FLAGS (stage, CLUTTER_ACTOR_SYNC_MATRICES);
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}
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static void
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clutter_stage_x11_set_cursor_visible (ClutterStageWindow *stage_window,
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gboolean cursor_visible)
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{
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ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (stage_window);
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if (stage_x11->xwin == None)
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return;
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CLUTTER_NOTE (BACKEND, "setting cursor state ('%s') over stage window (%u)",
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cursor_visible ? "visible" : "invisible",
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(unsigned int) stage_x11->xwin);
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if (cursor_visible)
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{
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#if 0 /* HAVE_XFIXES - seems buggy/unreliable */
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XFixesShowCursor (stage_x11->xdpy, stage_x11->xwin);
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#else
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XUndefineCursor (stage_x11->xdpy, stage_x11->xwin);
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#endif /* HAVE_XFIXES */
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}
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else
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{
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#if 0 /* HAVE_XFIXES - seems buggy/unreliable, check cursor in firefox
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* loading page after hiding.
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*/
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XFixesHideCursor (stage_x11->xdpy, stage_x11->xwin);
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#else
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XColor col;
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Pixmap pix;
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Cursor curs;
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pix = XCreatePixmap (stage_x11->xdpy, stage_x11->xwin, 1, 1, 1);
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memset (&col, 0, sizeof (col));
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curs = XCreatePixmapCursor (stage_x11->xdpy,
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pix, pix,
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&col, &col,
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1, 1);
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XFreePixmap (stage_x11->xdpy, pix);
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XDefineCursor (stage_x11->xdpy, stage_x11->xwin, curs);
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#endif /* HAVE_XFIXES */
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}
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}
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static void
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clutter_stage_x11_set_title (ClutterStageWindow *stage_window,
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const gchar *title)
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{
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ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (stage_window);
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ClutterBackendX11 *backend_x11 = stage_x11->backend;
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if (stage_x11->xwin == None)
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return;
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if (title == NULL)
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{
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XDeleteProperty (stage_x11->xdpy,
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stage_x11->xwin,
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backend_x11->atom_NET_WM_NAME);
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}
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else
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{
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XChangeProperty (stage_x11->xdpy,
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stage_x11->xwin,
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backend_x11->atom_NET_WM_NAME,
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backend_x11->atom_UTF8_STRING,
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8,
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PropModeReplace,
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(unsigned char*)title,
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(int)strlen(title));
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}
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}
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static void
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clutter_stage_x11_set_user_resizable (ClutterStageWindow *stage_window,
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gboolean is_resizable)
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{
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ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (stage_window);
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clutter_stage_x11_fix_window_size (stage_x11);
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}
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static ClutterActor *
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clutter_stage_x11_get_wrapper (ClutterStageWindow *stage_window)
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{
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return CLUTTER_ACTOR (CLUTTER_STAGE_X11 (stage_window)->wrapper);
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}
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static void
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clutter_stage_x11_dispose (GObject *gobject)
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{
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ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (gobject);
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if (stage_x11->xwin)
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clutter_actor_unrealize (CLUTTER_ACTOR (stage_x11));
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G_OBJECT_CLASS (clutter_stage_x11_parent_class)->dispose (gobject);
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}
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static void
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clutter_stage_x11_class_init (ClutterStageX11Class *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
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gobject_class->dispose = clutter_stage_x11_dispose;
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actor_class->show = clutter_stage_x11_show;
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actor_class->hide = clutter_stage_x11_hide;
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actor_class->request_coords = clutter_stage_x11_request_coords;
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actor_class->query_coords = clutter_stage_x11_query_coords;
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}
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static void
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clutter_stage_x11_init (ClutterStageX11 *stage)
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{
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stage->xdpy = NULL;
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stage->xwin_root = None;
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stage->xscreen = 0;
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stage->xwin = None;
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stage->xwin_width = 640;
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stage->xwin_height = 480;
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stage->xvisinfo = None;
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stage->is_foreign_xwin = FALSE;
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stage->fullscreen_on_map = FALSE;
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stage->handling_configure = FALSE;
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stage->wrapper = NULL;
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CLUTTER_SET_PRIVATE_FLAGS (stage, CLUTTER_ACTOR_IS_TOPLEVEL);
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#if 0
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CLUTTER_SET_PRIVATE_FLAGS (stage, CLUTTER_ACTOR_SYNC_MATRICES);
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#endif
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}
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static void
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clutter_stage_window_iface_init (ClutterStageWindowIface *iface)
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{
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iface->get_wrapper = clutter_stage_x11_get_wrapper;
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iface->set_title = clutter_stage_x11_set_title;
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iface->set_fullscreen = clutter_stage_x11_set_fullscreen;
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iface->set_cursor_visible = clutter_stage_x11_set_cursor_visible;
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iface->set_user_resizable = clutter_stage_x11_set_user_resizable;
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}
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/**
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* clutter_x11_get_stage_window:
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* @stage: a #ClutterStage
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*
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* Gets the stages X Window.
|
|
*
|
|
* Return value: An XID for the stage window.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
Window
|
|
clutter_x11_get_stage_window (ClutterStage *stage)
|
|
{
|
|
ClutterStageWindow *impl;
|
|
|
|
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), None);
|
|
|
|
impl = _clutter_stage_get_window (stage);
|
|
g_assert (CLUTTER_IS_STAGE_X11 (impl));
|
|
|
|
return CLUTTER_STAGE_X11 (impl)->xwin;
|
|
}
|
|
|
|
/**
|
|
* clutter_x11_get_stage_from_window:
|
|
* @win: an X Window ID
|
|
*
|
|
* Gets the stage for a particular X window.
|
|
*
|
|
* Return value: The stage or NULL if a stage does not exist for the window.
|
|
*
|
|
* Since: 0.8
|
|
*/
|
|
ClutterStage *
|
|
clutter_x11_get_stage_from_window (Window win)
|
|
{
|
|
ClutterMainContext *context;
|
|
ClutterStageManager *stage_manager;
|
|
GSList *l;
|
|
|
|
context = clutter_context_get_default ();
|
|
|
|
stage_manager = context->stage_manager;
|
|
|
|
/* FIXME: use a hash here for performance resaon */
|
|
for (l = stage_manager->stages; l; l = l->next)
|
|
{
|
|
ClutterStage *stage = l->data;
|
|
ClutterStageWindow *impl;
|
|
|
|
impl = _clutter_stage_get_window (stage);
|
|
g_assert (CLUTTER_IS_STAGE_X11 (impl));
|
|
|
|
if (CLUTTER_STAGE_X11 (impl)->xwin == win)
|
|
return stage;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* clutter_x11_get_stage_visual:
|
|
* @stage: a #ClutterStage
|
|
*
|
|
* Returns the stage XVisualInfo
|
|
*
|
|
* Return value: The XVisualInfo for the stage.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
XVisualInfo *
|
|
clutter_x11_get_stage_visual (ClutterStage *stage)
|
|
{
|
|
ClutterStageWindow *impl;
|
|
|
|
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), NULL);
|
|
|
|
impl = _clutter_stage_get_window (stage);
|
|
g_assert (CLUTTER_IS_STAGE_X11 (impl));
|
|
|
|
return CLUTTER_STAGE_X11 (impl)->xvisinfo;
|
|
}
|
|
|
|
/**
|
|
* clutter_x11_set_stage_foreign:
|
|
* @stage: a #ClutterStage
|
|
* @xwindow: an existing X Window id
|
|
*
|
|
* Target the #ClutterStage to use an existing external X Window
|
|
*
|
|
* Return value: %TRUE if foreign window is valid
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
gboolean
|
|
clutter_x11_set_stage_foreign (ClutterStage *stage,
|
|
Window xwindow)
|
|
{
|
|
ClutterStageX11 *stage_x11;
|
|
ClutterStageWindow *impl;
|
|
ClutterActor *actor;
|
|
gint x, y;
|
|
guint width, height, border, depth;
|
|
Window root_return;
|
|
Status status;
|
|
ClutterGeometry geom;
|
|
|
|
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
|
|
g_return_val_if_fail (xwindow != None, FALSE);
|
|
|
|
impl = _clutter_stage_get_window (stage);
|
|
stage_x11 = CLUTTER_STAGE_X11 (impl);
|
|
actor = CLUTTER_ACTOR (impl);
|
|
|
|
clutter_x11_trap_x_errors ();
|
|
|
|
status = XGetGeometry (stage_x11->xdpy,
|
|
xwindow,
|
|
&root_return,
|
|
&x, &y,
|
|
&width, &height,
|
|
&border,
|
|
&depth);
|
|
|
|
if (clutter_x11_untrap_x_errors () ||
|
|
!status ||
|
|
width == 0 || height == 0 ||
|
|
depth != stage_x11->xvisinfo->depth)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
clutter_actor_unrealize (actor);
|
|
|
|
stage_x11->xwin = xwindow;
|
|
stage_x11->is_foreign_xwin = TRUE;
|
|
|
|
geom.x = x;
|
|
geom.y = y;
|
|
geom.width = stage_x11->xwin_width = width;
|
|
geom.height = stage_x11->xwin_height = height;
|
|
|
|
clutter_actor_set_geometry (actor, &geom);
|
|
clutter_actor_realize (actor);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
clutter_stage_x11_map (ClutterStageX11 *stage_x11)
|
|
{
|
|
/* set the mapped flag on the implementation */
|
|
CLUTTER_ACTOR_SET_FLAGS (stage_x11, CLUTTER_ACTOR_MAPPED);
|
|
|
|
/* and on the wrapper itself */
|
|
CLUTTER_ACTOR_SET_FLAGS (stage_x11->wrapper, CLUTTER_ACTOR_MAPPED);
|
|
|
|
if (stage_x11->fullscreen_on_map)
|
|
clutter_stage_fullscreen (CLUTTER_STAGE (stage_x11->wrapper));
|
|
else
|
|
clutter_stage_unfullscreen (CLUTTER_STAGE (stage_x11->wrapper));
|
|
|
|
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage_x11->wrapper));
|
|
}
|
|
|
|
void
|
|
clutter_stage_x11_unmap (ClutterStageX11 *stage_x11)
|
|
{
|
|
/* like above, unset the MAPPED stage on both the implementation and
|
|
* the wrapper
|
|
*/
|
|
CLUTTER_ACTOR_UNSET_FLAGS (stage_x11, CLUTTER_ACTOR_MAPPED);
|
|
CLUTTER_ACTOR_UNSET_FLAGS (stage_x11->wrapper, CLUTTER_ACTOR_MAPPED);
|
|
}
|
|
|